The numbers, which must be at least three inches high, contrasting in color to the background and of block form, must be painted on or attached to both the port and starboard bow so positioned as to be distinctly visible and legible from at least 100 feet away. The two validation decals must be placed two inches to the right of and in line with the assigned boat number. No other numbers and only current decals shall be displayed.
A certificate of number/registration or certificate of decal/registration must be onboard the vessel whenever the owner or any person authorized by the owner is aboard, except that rented boats may carry a rental agreement in lieu of a certificate.
The Hull Identification Number (HIN) is a unique 12-14 digit number (numbers and letters) assigned by the manufacturer to boats built after 1972. (Like the Vehicle Identification Number / VIN on a car.) It is attached or engraved to the upper right-hand corner of the exterior transom.
Complete the Application for Connecticut Vessel Hull Identification Number and return it to: 333 Ferry Road in Old Lyme, CT 06371.